I think it means she's doing a simple variation of her usual dance, not that it's better, and not that she has never danced at all.

Don't overthink this folks, it's a humorous semantic observation.

__________________
You ever notice how on stop lights, green means go, but on a banana it's the opposite? Yellow means "go ahead." Green means "slow down." And red means "Where the **** did you get that banana?"